.A front has passed through Kauai and will continue to move southeastward down the island chain tonight. Strong northerly winds of 25 to 30 knots have been observed along and behind the front. The front is then expected to hang up and slowly dissipate in the vicinity of the Big Island Wednesday and Wednesday night. Additionally, a large northwest swell will peak tonight, with combined seas greater than 10 feet or more in many areas through Wednesday night and possibly into the day on Thursday. The combination of a large northwest swell and strong winds will produce unfavorable boating conditions. . SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST THURSDAY. * Winds and Seas. Northeast winds 20 to 30 kt with higher gusts. Seas 6 to 11 feet.